Distress pulser

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The distress pulser is a junk item in Fallout 4.


The distress pulser is a device used by the Brotherhood of Steel to mark specific locations, or in the event of an emergency where a soldier or squad may be downed and in need of assistance. When active, it emits a series of blips to any device capable of picking up radio frequencies, which become clearer as the receiver travels closer to the source.



  • Taking the distress pulsers during the quest The Lost Patrol causes the signal to disappear.
    • Dropping a distress pulser will cause the signal to reappear.
  • During Liberty Reprimed, Haylen will give the Sole Survivor a distress pulser to mark the location of the stockpile of Mark 28 nukes in the Sentinel site.


  • pcIcon pc xboxoneIcon xboxone ps4Icon ps4 There is a bug where if a distress pulser is dropped on the ground in a settlement and then scrapped using the settlement building screen it will permanently emit a distress signal.[verified]

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